Originally Posted by
TerryK
XTRASEATs are only permitted in the same cabin with no extra miles.
You can only scan one BP per person when you board. The BP not scanned will be offloaded and seat released.
Correct. He books the XTRASEAT for PVG flight under his name.
He may need a supervisor to get it fixed. However they should be willing to fix it since it's clear what he was trying to do.